Junior Mathematics for Today, Τόμος 1Ginn, 1933 |
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Σελίδα 24
William Betz. 6. Notice that two adjoining sides of a rectangle form a right angle . This is true for any position of the rectangle . Draw rectangles and right angles in various positions . J 7. If two lines form a right angle , they are ...
William Betz. 6. Notice that two adjoining sides of a rectangle form a right angle . This is true for any position of the rectangle . Draw rectangles and right angles in various positions . J 7. If two lines form a right angle , they are ...
Σελίδα 56
... rectangle contains is 4 × 5 , or 20. That is , its area is 20 sq . in . This method can be used in the case of any rectangle . Hence we have the following rule : The area of a rectangle equals the product of the numbers which measure ...
... rectangle contains is 4 × 5 , or 20. That is , its area is 20 sq . in . This method can be used in the case of any rectangle . Hence we have the following rule : The area of a rectangle equals the product of the numbers which measure ...
Σελίδα 140
... rectangle into four equal parts , as shown in the figure . Then , if you imagine the large rectangle divided into 100 equal parts , show that 25 = 100 % = 25 % , 314 017 = 10 % = 75 % . 50 = 10 % 50 % , 75 = 2. A farmer said , " My 25 ...
... rectangle into four equal parts , as shown in the figure . Then , if you imagine the large rectangle divided into 100 equal parts , show that 25 = 100 % = 25 % , 314 017 = 10 % = 75 % . 50 = 10 % 50 % , 75 = 2. A farmer said , " My 25 ...
Περιεχόμενα
INTRODUCTION | 1 |
CHAPTER | 8 |
Making Sure of Fundamentals | 27 |
Πνευματικά δικαιώματα | |
17 άλλες ενότητες δεν εμφανίζονται
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acute angles amount arithmetic average bank base budget building called centimeter central angles chord circle graph circumference commission Copy cost cubic decimal per cents diagram diameter discount distance divided division equal everyday expenses Explain figure Find the area Find the missing following exercises fractions given graph picturing height Hence hundredths Illustrative Example inch income interest isosceles triangle length line graph locate marked price mathematics measure method metric system missing numbers missing values multiply Optional paid parallel lines parallelogram perimeter prism problems profit protractor pupils radius rectangle rectangular solid reflex angle regular polygons right angle right triangle savings scale selling price shown shows sides sold Solution squared paper draw straight angle subtract suggested tipi trapezoid triangular prism vertex angle volume week whole number width write yard